POSSIBLE REPLACEMENT, click here Baxter 2C7831 is Used in place of an ordinary needle to attach a secondary IV administration set to the primary set for a "piggyback". Shielded needle prevents accidental "sticks". "Twist-locks" onto y-site so needle cannot be inadvertantly pulled out. Secondary Medication Set with INTERLINK Lever Lock Cannula, Male Luer Lock Adapter. Hanger for primary solution container is provided. Approximate Length 37" (93 cm), Approximately 10 drops/mL. Contains DEHP, Fluid path is Sterile, nonpyrogenic.